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Finding the Fourth Proportional to 329,924.10, 455,300.55 and 179,021.10

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Solution

The fourth proportional to 329,924.10, 455,300.55 and 179,021.10 is: 247,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,924.10 : 455,300.55 = 179,021.10 : x
  2. Step 2: Convert to fraction form
    329,924.10/455,300.55 = 179,021.10/x
  3. Step 3: Cross multiply
    329,924.10x = 455,300.55 × 179,021.10
  4. Step 4: Simplify right side
    329,924.10x = 81,508,405,291.61
  5. Step 5: Solve for x
    x = 81,508,405,291.61/329,924.10
  6. Step 6: Final answer
    x = 247,051.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.